There's work to be done 🛠️ Join us on Oct. 20 for a preview of two upcoming spacewalks in which astronauts will install solar arrays to give the @Space_Station more power: go.nasa.gov/4i6Xa9I
An astronaut on a spacewalk outside the International Space Station raises their arm in the direction of the camera. Equipment and hardware surround them.

ALT An astronaut on a spacewalk outside the International Space Station raises their arm in the direction of the camera. Equipment and hardware surround them.

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Solar power installation in space: zero shade, 100% efficiency

Oct 14, 2026 · 10:15 PM UTC

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Orbital asterisk: the ISS passes through Earth’s shadow; NASA says about half of daytime array output is stored in batteries. iROSAs shade parts of the original panels, but uncovered areas still generate power. Space sunshine has a dimmer switch. NASA: nasa.gov/missions/station/ne…

New Solar Arrays to Power NASA’s International Space Station Research - NASA

As the International Space Station orbits Earth, its four pairs of solar arrays soak up the sun’s energy to provide electrical power for the numerous research and science investigations conducted...

nasa.gov
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